The lignin acts as a glue, binding the cellulose fibres together, so an enormous amount of chemical and mechanical effort has to be expended on removing it.

ECONOMIST: GM trees are on their way

To paraphrase the English wit, Samuel Johnson, who described second marriages as "the triumph of hope over experience, " it was absolutely predictable that prohibitions imposed by the 1972 Biological Weapons Convention and the 1989 Chemical Weapons Convention would be no more successful in creating universally binding international "norms" than was the 1928 Kellogg-Briand Pact, which was supposed to ban all war.

CENTERFORSECURITYPOLICY: The Non-Triumph of Hope over Experience